--- description: Explore the Generalized Motion Compensation (GMC) class for tracking and object detection with methods like ORB, SIFT, ECC, and more. keywords: GMC, Generalized Motion Compensation, Ultralytics, tracking, object detection, ORB, SIFT, ECC, Sparse Optical Flow, computer vision, video frames --- # Reference for `ultralytics/trackers/utils/gmc.py` !!! success "Improvements" This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/gmc.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/gmc.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏
## ::: ultralytics.trackers.utils.gmc.GMC